Data transmission
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United States of America Patent
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-
Jan 25, 2005
Grant Date -
Jun 27, 2002
app pub date -
Dec 26, 2001
filing date -
Dec 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data transmission system which is particularly useful for a remote control apparatus for an electric fence. The apparatus includes a portable hand held housing with a contact 16 which in use can contact a conductor of an electric fence line. The output of the apparatus includes a resonating circuit with inductor L, transformer 14 and a small high voltage capacitor C2. The apparatus can thus generate information embedded within a series of short signal bursts of a frequency within a predetermined frequency range. A receiver coupled to or forming part of an electric fence energizer can receive a signal from the apparatus to control operation of the energizer.
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